A—overpopulation B—under population
C—working population D—population waiting for employment
E— population F—rural population
G—population reproduction H—population increase
I—population decrease J—population base
K—population distribution L—population density
M—population quality N—population pyramid
O—population statistics P—population theory
Q—population studies
A—overpopulation B—under population
C—working population D—population waiting for employment
E— population F—rural population
G—population reproduction H—population increase
I—population decrease J—population base
K—population distribution L—population density
M—population quality N—population pyramid
O—population statistics P—population theory
Q—population studies()待业人口()人口过剩 A—overpopulation B—under population
C—working population D—population waiting for employment
E— population F—rural population
G—population reproduction H—population increase
I—population decrease J—population base
K—population distribution L—population density
M—population quality N—population pyramid
O—population statistics P—population theory
Q—population studies